plan.cpp: In function 'int main()':
plan.cpp:45:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
45 | scanf("%d%d",&n,&m);
| ~~~~~^~~~~~~~~~~~~~
plan.cpp:50:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
50 | scanf("%d%d%d",&ai,&bi,&wi);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~
plan.cpp:54:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
54 | scanf("%d",&k);
| ~~~~~^~~~~~~~~
plan.cpp:57:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
57 | scanf("%d",&npp[i]);
| ~~~~~^~~~~~~~~~~~~~
plan.cpp:60:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
60 | scanf("%d",&q);
| ~~~~~^~~~~~~~~
plan.cpp:64:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
64 | scanf("%d%d",&si,&ti);
| ~~~~~^~~~~~~~~~~~~~~~